67814440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 158241600

約数和(自身を除く): 90427160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 443, 445, 712, 860, 886, 890, 1720, 1772, 1780, 2215, 3544, 3560, 3827, 4430, 7654, 8860, 15308, 17720, 19049, 19135, 30616, 38098, 38270, 39427, 76196, 76540, 78854, 95245, 152392, 153080, 157708, 190490, 197135, 315416, 380980, 394270, 761960, 788540, 1577080, 1695361, 3390722, 6781444, 8476805, 13562888, 16953610, 33907220, 67814440]

約数ペア:

[(1, 67814440), (2, 33907220), (4, 16953610), (5, 13562888), (8, 8476805), (10, 6781444), (20, 3390722), (40, 1695361), (43, 1577080), (86, 788540), (89, 761960), (172, 394270), (178, 380980), (215, 315416), (344, 197135), (356, 190490), (430, 157708), (443, 153080), (445, 152392), (712, 95245), (860, 78854), (886, 76540), (890, 76196), (1720, 39427), (1772, 38270), (1780, 38098), (2215, 30616), (3544, 19135), (3560, 19049), (3827, 17720), (4430, 15308), (7654, 8860)]